Table 2.

Pneumococcal vaccination of subjects before onset.

	Patients with vaccination history
	1 dose PPSV	2 doses PCV7	Subtotal	0 dose	unknown	Total
Onset age(year)
0	1	0	1	53	2	56
1	1	1	2	52	3	57
2	7	2	9	24	6	39
3	9	2	11	20	3	34
4	2	0	2	10	1	13
Resident type
Urban	18	5	23	63	0	86
Rural	2	0	2	96	15	113
Gender
Male	14	4	18	100	9	127
Female	6	1	7	59	6	72
X-ray confirmed pneumonia
Yes	7	0	7	87	7	101
No	13	5	18	72	8	98
Total	20	5	25	159	15	199